Home / 79,964.16-110,332.80-45,970.56

Finding the Fourth Proportional to 79,964.16, 110,332.80 and 45,970.56

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Solution

The fourth proportional to 79,964.16, 110,332.80 and 45,970.56 is: 63,429.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,964.16 : 110,332.80 = 45,970.56 : x
  2. Step 2: Convert to fraction form
    79,964.16/110,332.80 = 45,970.56/x
  3. Step 3: Cross multiply
    79,964.16x = 110,332.80 × 45,970.56
  4. Step 4: Simplify right side
    79,964.16x = 5,072,060,602.37
  5. Step 5: Solve for x
    x = 5,072,060,602.37/79,964.16
  6. Step 6: Final answer
    x = 63,429.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.